1887

Abstract

A Gram-staining-negative, yellow-pigmented, strictly aerobic bacterium, designated strain SC17, was isolated from sediment of a tidal flat of Suncheon bay in South Korea. Cells were halotolerant, catalase- and oxidase-positive and non-motile rods. Growth of strain SC17 was observed at 5–40 °C (optimum, 25–30 °C), at pH 6.0–8.5 (optimum, pH 7.0) and in the presence of 1–8 % (w/v) NaCl (optimum, 1–2 %). The major cellular fatty acids were iso-C, summed feature 3 (comprising Cω7 and/or Cω6 and/or iso-C 2-OH), iso-C 3-OH, iso-C G and anteiso-C The polar lipid content consisted of phosphatidylethanolamine and unidentified amino lipids and lipids. The G+C content of the genomic DNA was 46.4 mol% and the only respiratory quinone detected was menaquinone-6 (MK-6). Phylogenetic inference based on 16S rRNA gene sequences showed that strain SC17 formed a distinct phyletic lineage within the family and was most closely related to members of the genera and with 95.0–95.8 % sequence similarity. On the basis of phenotypic and molecular features, strain SC17 represents a novel genus of the family , for which the name gen. nov., sp. nov. is proposed. The type strain is SC17 ( = KACC 16186 = JCM 17789). Emended descriptions of the genera and are also proposed.

Funding
This study was supported by the:
  • Chung-Ang University Research Scholarship Grant
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2013-01-01
2024-04-20
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